package com.hejun.bos.action.base;


import java.util.ArrayList;
import java.util.List;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang3.StringUtils;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Controller;

import com.hejun.bos.common.base.BaseAction;
import com.hejun.bos.domain.base.FixedArea;
import com.hejun.bos.service.base.FixedAreaService;


@Controller
@Scope("prototype")
@Namespace("/fixedArea")
@ParentPackage("json-default")
public class FixedAreaAction extends BaseAction<FixedArea> {
	@Autowired
	private FixedAreaService fixedAreaService;

	@Action(value = "add", results = {
			@Result(name = "success", type = "redirect", location = "/pages/base/fixed_area.html") })
	public String save() {
		fixedAreaService.save(model);
		return SUCCESS;
	}
	
	@Action(value="findByPage",results={@Result(name="success",type="json")})
	public String findByPage(){
		Pageable pageable=new PageRequest(page-1, rows);
		Specification<FixedArea> specification=new Specification<FixedArea>() {
			List<Predicate> list=new ArrayList<>();
			@Override
			public Predicate toPredicate(Root<FixedArea> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
				if(StringUtils.isNotBlank(model.getId())){
					Predicate p1 = cb.equal(root.get("id").as(String.class),model.getId() );
					list.add(p1);
				}
				if(StringUtils.isNotBlank(model.getCompany())){
					Predicate p2 = cb.like(root.get("company").as(String.class), model.getCompany());
					list.add(p2);
				}
				return cb.and(list.toArray(new Predicate[0]));
			}
		};
		Page<FixedArea> result=fixedAreaService.findAll(specification,pageable);
		changeResultToJson(result);
		return SUCCESS;
	}
}
